MONTANA FLOW REPORT

* WHAT...Mixed precipitation expected, including pockets of light freezing rain. Snow accumulations of an inch or less. Ice accumulations of a light glaze. * WHERE...Northern Carbon and Northern Stillwater. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery road conditions on some bridges and overpasses, and areas of poor visibility. Hazardous conditions could impact the morning commute.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations an inch or less. Ice accumulations of a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 45 mph. * WHERE...Bighorn Canyon and Southern Big Horn. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from Thursday evening through Friday evening. * IMPACTS...For the advisory, travel will be impacted by poor visibility and slick or slushy conditions on roads. This includes I-90 from Crow Agency to Aberdeen Hill. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...Mixed precipitation expected, including pockets of light freezing rain. Total snow accumulations less than an inch. Ice accumulations of a light glaze. * WHERE...Southeastern Carbon. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Travel will be impacted by areas of poor visibility and slick or slushy conditions on some roads.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations an inch or less. Ice accumulations of a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 45 mph. * WHERE...Bighorn Canyon and Southern Big Horn. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from Thursday evening through Friday evening. * IMPACTS...For the advisory, travel will be impacted by poor visibility and slick or slushy conditions on roads. This includes I-90 from Crow Agency to Aberdeen Hill. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...Mixed precipitation expected, including pockets of light freezing rain. Additional snow accumulations less than one inch. Total ice accumulations of a light glaze. * WHERE...Beartooth Foothills and Red Lodge Foothills. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery road conditions on some bridges and overpasses, and areas of poor visibility. The hazardous conditions may impact the morning commute.

* WHAT...Heavy snow accumulations of 12 to 18 inches possible. Winds could gust as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...From Thursday afternoon through Friday afternoon. * IMPACTS...Recreation in the high country will be difficult and hazardous. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night and Friday morning.

* WHAT...Periods of heavy snow. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 45 mph. * WHERE...Sheridan Foothills. * WHEN...From Thursday evening through Friday evening. * IMPACTS...Travel could be very difficult on I-90 from Aberdeen Hill to Sheridan and Piney Creek, due to snow, areas of blowing snow and poor visibility. Cool, wet and windy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...Rain showers Thursday afternoon and evening will change to snow Thursday night.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations less than an inch. Ice accumulations around a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 3 and 8 inches possible, greatest over the higher hills. Winds could gust as high as 35 mph. * WHERE...Northern Big Horn and Southwestern Yellowstone. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from Thursday evening through Friday afternoon. * IMPACTS...For the advisory, travel will be impacted by areas of poor visibility and slick or slushy conditions on some roads. This includes I-90 from Billings to Hardin. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...Periods of heavy snow. Total snow accumulations between 3 and 7 inches possible, greatest over the hills south of the Yellowstone River. * WHERE...Northeastern Yellowstone, Treasure, and Northern Rosebud. * WHEN...From Thursday evening through Friday afternoon. * IMPACTS...Travel could be very difficult due to snow, areas of blowing snow and poor visibility. This includes I-94 from Custer to Hysham and Forsyth. Cool, wet and breezy conditions will be hazardous for young livestock.

* WHAT...Periods of heavy snow. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 30 mph. * WHERE...Carter, Custer, Fallon, and Powder River. * WHEN...From late Thursday night through late Friday night. * IMPACTS...Travel could be very difficult due to snow, areas of blowing snow and poor visibility. This includes Highway 12 from Miles City to Baker, and US-212 from Broadus to Alzada. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...Heavy snow accumulations of 12 to 20 inches possible. Winds could gust as high as 40 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From Thursday evening through Friday afternoon. * IMPACTS...Travel on Highway 14 through Burgess Junction could become nearly impossible, due to snow, blowing and drifting snow, and poor visibility. Recreation in the high country will be difficult and hazardous. * ADDITIONAL DETAILS...The heaviest snow is expected Thursday night through midday Friday.

* WHAT...Mixed precipitation expected, including pockets of light freezing rain. Additional snow accumulations up to an inch. Total ice accumulations of a light glaze. * WHERE...Livingston Area, Melville Foothills, and Northern Sweet Grass. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Travel will be difficult due to the snow and poor visibility. Some roads could be icy or slushy early this morning. This includes I-90 from Big Timber to Livingston and Bozeman Pass, and US-191 through Melville.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations an inch or less. Ice accumulations of a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 4 and 8 inches possible. Winds could gust as high as 30 mph. * WHERE...Southern Rosebud. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from late Thursday night through late Friday night. * IMPACTS...For the advisory, travel early this morning will be impacted by poor visibility and slick or slushy conditions on roads. This includes US-212 over Lame Deer Divide. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations less than an inch. Ice accumulations around a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 3 and 8 inches possible, greatest over the higher hills. Winds could gust as high as 35 mph. * WHERE...Northern Big Horn and Southwestern Yellowstone. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from Thursday evening through Friday afternoon. * IMPACTS...For the advisory, travel will be impacted by areas of poor visibility and slick or slushy conditions on some roads. This includes I-90 from Billings to Hardin. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...For the Winter Weather Advisory, mixed precipitation expected, including pockets of light freezing rain. Snow accumulations an inch or less. Ice accumulations of a light glaze. For the Winter Storm Watch, periods of heavy snow. Total snow accumulations between 4 and 8 inches possible. Winds could gust as high as 30 mph. * WHERE...Southern Rosebud. * WHEN...For the Winter Weather Advisory, until 9 AM MDT this morning. For the Winter Storm Watch, from late Thursday night through late Friday night. * IMPACTS...For the advisory, travel early this morning will be impacted by poor visibility and slick or slushy conditions on roads. This includes US-212 over Lame Deer Divide. For the Winter Storm Watch, difficult travel conditions due to snow, poor visibility and some blowing snow. Cool, wet and windy conditions will be hazardous for young livestock.

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 6 inches possible. * WHERE...Dawson, Prairie, and Wibaux Counties. * WHEN...From Thursday evening through late Friday night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes.

* WHAT...Heavy snow expected. Total snow accumulations between 7 and 11 inches at and below pass level with higher amounts above pass level. * WHERE...Little Belt and Highwood Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 9 AM Thursday to noon MDT Friday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The heavy and wet variety of snow may pose snow load impacts to infrastructure.

* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...East Glacier Park Region Zone. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...The wet variety of snow may pose snow load impacts to infrastructure.

* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches at lower elevations, with amounts approaching 6 inches at higher elevations. * WHERE...Snowy and Judith Mountains, Cascade County below 5000ft, Fergus County below 4500ft, and Judith Basin County and Judith Gap. * WHEN...From 3 PM Thursday to noon MDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...The wet variety of snow may pose snow load impacts to infrastructure where snow is most persistent Thursday night. Higher snow amounts approaching a foot are forecast for the Snowies.

* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches at and below pass level, with higher amounts above pass level. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From 9 AM Thursday to noon MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...The wet variety of snow may pose snow load impacts to infrastructure.

* WHAT...Snow expected. Total snow accumulations between 3 and 8 inches. Winds gusting as high as 35 mph. * WHERE...Elkhorn and Boulder Mountains, Upper Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From 6 AM Thursday to 6 AM MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...The wet variety of snow may pose snow load impacts to infrastructure.

* WHAT...Heavy snow possible. There is a chance of moderate to major winter weather impacts. Total snow accumulations between 6 and 12 inches possible for terrain above 5500 feet, including MacDonald Pass, Homestake Pass, Lost Trail Pass and Lolo Pass. 2 to 6 inches possible down to 3000 feet, including Butte, Seeley Lake and Anaconda. Winds could gust as high as 35 mph. * WHERE...Butte, Highway 12 Garrison to Elliston, I-90 East Missoula to Bearmouth, Georgetown Lake, Highway 93 Sula to Lost Trail Pass, Highway 83 Seeley Lake to Condon, Lolo Pass, MacDonald Pass, Homestake Pass, and Highway 200 Bonner to Greenough. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy, wet snow may cause power outages and tree damage.

* WHAT...Heavy snow possible. There is a chance of moderate to major winter weather impacts. Total snow accumulations of 5 to 11 inches possible above 4000 feet, including Lolo Pass, Dixie and Elk City. 2 to 5 inches possible below 4000 feet. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Heavy, wet snow may cause power outages and tree damage.